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llvm-mirror/cmake/modules/GetHostTriple.cmake
Pengxuan Zheng 95da89f76f [cmake] Allow config.guess to be run with MSYS on Windows
Summary:
With r363420, config.guess can no longer be run with MSYS on Windows and this
patch should be able to fix this particular case.

Reviewers: compnerd

Reviewed By: compnerd

Subscribers: mgorny, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D63834

llvm-svn: 364485
2019-06-26 22:07:43 +00:00

35 lines
1.1 KiB
CMake

# Returns the host triple.
# Invokes config.guess
function( get_host_triple var )
if( MSVC )
if( CMAKE_SIZEOF_VOID_P EQUAL 8 )
set( value "x86_64-pc-windows-msvc" )
else()
set( value "i686-pc-windows-msvc" )
endif()
elseif( MINGW AND NOT MSYS )
if( CMAKE_SIZEOF_VOID_P EQUAL 8 )
set( value "x86_64-w64-windows-gnu" )
else()
set( value "i686-pc-windows-gnu" )
endif()
else( MSVC )
if(CMAKE_HOST_SYSTEM_NAME STREQUAL Windows AND NOT MSYS)
message(WARNING "unable to determine host target triple")
else()
set(config_guess ${LLVM_MAIN_SRC_DIR}/cmake/config.guess)
execute_process(COMMAND sh ${config_guess}
RESULT_VARIABLE TT_RV
OUTPUT_VARIABLE TT_OUT
OUTPUT_STRIP_TRAILING_WHITESPACE)
if( NOT TT_RV EQUAL 0 )
message(FATAL_ERROR "Failed to execute ${config_guess}")
endif( NOT TT_RV EQUAL 0 )
# Defer to dynamic detection of the host AIX version.
string(REGEX REPLACE "-aix[0-9][^-]*" "-aix" value ${TT_OUT})
endif()
endif( MSVC )
set( ${var} ${value} PARENT_SCOPE )
endfunction( get_host_triple var )